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China Suppliers Factory Wafer Type Single Disc Check Valve - API609, BS5155, DIN3202 Standards

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Product Type: Wafer Valve

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Standards Compliance: Face to Face dimensions meet API609, BS5155, DIN3202, and 1S05752 specifications.

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Flange Standards: Compatible with DIN, BS, UNI.ISO, ANSI, AS, and JIS flanges.

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Mounting Flange: Dimensions conform to 1S05211 standards.

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Working Pressure: Rated for PN16 (200PSI).

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This high-quality wafer valve, manufactured in China, is designed to meet diverse industrial demands. As a leading supplier in the industry, our factory ensures that all products adhere to strict quality standards, making us a reliable choice for your valve needs.

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    📋 Description

    Wafer Type Single Disc Swing Check Valve is a compact and cost-effective solution for preventing reverse flow in pipelines. Designed with a single swing disc and wafer-type body, this check valve is ideal for applications where installation space is limited, such as in HVAC, water treatment, and industrial systems.

    The wafer type single disc swing check valve operates automatically when flow enters in the forward direction. The disc swings open with minimal resistance and quickly closes when flow reverses, protecting upstream equipment from potential damage caused by backflow.

    Constructed from durable ductile iron, stainless steel, or carbon steel, this valve is available with different seat materials such as EPDM, NBR, or metal seats to suit various media and temperature requirements. The wafer-style body fits easily between standard flanges, making installation and maintenance fast and efficient.

    With its simple structure and low-pressure drop design, the wafer type single disc swing check valve ensures long-term performance and minimal energy loss in the system. It is suitable for both horizontal and vertical upward flow installations.

    Choose our Wafer Type Single Disc Swing Check Valve for dependable, space-saving, and low-maintenance backflow protection.
    📐 Specifications
    Nominal Pressure (MPa) 1.0 1.6
    Nominal Diameter (mm) 50–1000 50–1000
    Test Pressure Shell 1.5 2.4
    (MPa) Seal 1.1 1.76
    Applicable Temperature 150°C
    Applicable Medium Fresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids, Alkalis, etc.
    Operating Mode Manual, Worm gear, Pneumatic, Electric, etc.
    📏 Standards
    Design & Manufacture Flange Connection Face to Face Dimension Test & Inspection
    API 594 DIN PN10/16/25 API 594 API 598
    🔩 Materials
    Body Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
    Plate Ductile Iron, Carbon Steel, Stainless Steel
    Spring Stainless Steel
    Hinge Pin Stainless Steel
    Plug Carbon Steel
    Body Bearing PTFE
    Spring Bearing PTFE
    Stop Pin Stainless Steel
    Eye Bolt Carbon Steel
    Body Seat NBR, EPDM, Viton, Neoprene
    ❓ Frequently Asked Questions
    💬 What is a Wafer Type Single Disc Swing Check Valve?
    A Wafer Type Single Disc Swing Check Valve is a compact backflow prevention device that uses a single swinging disc to allow forward flow and automatically close when flow reverses. Its wafer-style body fits between standard pipeline flanges, making it ideal for space-limited installations.
    💬 What materials are available for the valve body?
    The valve body is available in Cast Iron, Ductile Iron, Carbon Steel, and Stainless Steel. Seat materials include NBR, EPDM, Viton, and Neoprene to accommodate different media and temperature conditions.
    💬 What size range does this check valve cover?
    The Wafer Type Single Disc Swing Check Valve is available in nominal diameters ranging from DN50 to DN1000, covering both PN1.0 and PN1.6 pressure ratings to suit a wide range of pipeline systems.
    💬 What media is this valve compatible with?
    This valve is compatible with a wide range of media including fresh water, sewage, sea water, air, vapor, food-grade liquids, medicines, oils, acids, and alkalis. The appropriate seat material should be selected based on the specific medium.
    💬 Can this valve be installed in both horizontal and vertical pipelines?
    Yes, the Wafer Type Single Disc Swing Check Valve supports both horizontal and vertical upward flow installations, offering flexible deployment options across various system configurations.
    💬 What standards does this valve comply with?
    This valve is designed and manufactured in accordance with API 594, with flange connections conforming to DIN PN10/16/25, face-to-face dimensions per API 594, and testing and inspection carried out according to API 598.

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